From Lunsford:
Increase durability, strength and longevity in your linkage system with 3.5mm SUPER DUTY Ti Turnbuckles, 4.8mm Ti Ball Studs and Lunsford SUPER DUTY Ball Cups. The turnuckle lengths are based on the latest tuner set-up by Ryan Maifield. Both the front and rear camber links are for the shortest position and up to one hole out. Rear hub used is the optional aluminum hun #Z2-415RO.